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Finding the Fourth Proportional to 376,339.32, 519,330.54 and 204,253.40

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Solution

The fourth proportional to 376,339.32, 519,330.54 and 204,253.40 is: 281,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,339.32 : 519,330.54 = 204,253.40 : x
  2. Step 2: Convert to fraction form
    376,339.32/519,330.54 = 204,253.40/x
  3. Step 3: Cross multiply
    376,339.32x = 519,330.54 × 204,253.40
  4. Step 4: Simplify right side
    376,339.32x = 106,075,028,518.84
  5. Step 5: Solve for x
    x = 106,075,028,518.84/376,339.32
  6. Step 6: Final answer
    x = 281,860.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.